The present solver USES a primitive variable formulation that is based on the artificial compressibility method combined with dual time stepping method.
求解程序采用虚拟压缩方法和双时间步的时间推进方案，对流项的差分采用高阶精度的数值差分格式。
The numerical method uses finite volume method in space and advances the solution in time using dual time stepping method.
空间采用中心平均的有限体积法进行离散，时间方向采用双时间法隐式推进求解。
For steady computation, local time step method is used; for unsteady computation, dual time stepping method is used.
定常计算采用当地时间步法，非定常计算采用双时间步法。
The stability, starting problem, initial value of sub-iteration and convergence criterion of implicit iteration of the dual-time stepping method are studied.
对双时间步方法隐式迭代的稳定性、启动问题、子迭代初值和收敛性准则进行分析。
Unsteady viscous flows over the gliding flap of Multi-element airfoils are simulated and studied by using the moving overlapped grids and the dual-time stepping method.
运用动态嵌套网格技术和双时间推进算法，对多段翼型襟翼滑动的非定常黏性流进行了数值模拟和研究。
A time stepping scheme is used for the transient analysis and a homotopy method is adopted to solve the process.
时域上采用精细算法进行离散，并应用同伦算法进行求解。
A time stepping scheme is used for the transient analysis and a homotopy method is adopted to solve the process.
时域上采用精细算法进行离散，并应用同伦算法进行求解。
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